Service manual
CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE LETTER “X“ IN THEIR
COMPONENT DESIGNATORS. REPLACE ONLY WITH PART NUMBERS SPECIFIED.
ALL SYMBOLS WITH “M” ON END OF DESIGNATOR
INDICATE SURFACE MOUNTED COMPONENT
6-24
GA SHEET 24
GA3 MAIN PROCESSOR
1211109
G
F
E
D
C
B
A
87654321
1
2
3
4
5
6
7
11
10
9
8
4.9
4.9
4.9
4.9
4.9
2.9
4.8
4.8
4.8
4.8
4.8
5
4.9
4.9
4.9
4.9
4.85
4.78
4.56
3.42
0
0
0.16
1.44
1.44
4.85
4.9
5.14
4.9
4.9
4.9
3.8
2.25
5.2
5.2
5uS
5.0V
WF10
20 uS
2.34V
WF4
4.48V
1uS
WF5
4.88V
5mS
WF3
4.88V
20uS
WF2
20 mS
WF1-A
5V
20mS
5V
WF1
0
0
0
0
0
0
0.4
5
0
0.1
4.3
SETUP
FACTORY
TUNNER
KEYBOARD
EXTERNAL
IF
G
B
FASTBLANK
AGC
VERT-SIZE
AUXSWITCH1
SDA
COMP-VIDEO
PWRCONT
VRAMP
R
CRT-PROTECTOR
SYNC
MUTE
AFC
FLYBACK
VERT-DRIVE
Y/C-SENSE
SCL
HORZ-SIZE
SHT.23
EXT-R
16V
470uF
5
1
2
3
4
8
7
6
5
4
3
2
1
GND
OUTVCC
SHT.25
EXT-L
470K
SHT.23
EXT-L
224-74-2A
8MHZ
SHT.23
VM-OUT-R
50V
1uF
16V
100uF
50V
4.7uF
SHT.23
VM-OUT-L
50V
4.7uF
100uH
2.2uF
50V
47pF
IF
SHT.25
AGC
SHT.25
SHT.25
R
SHT.25
G
SHT.25
B
SHT.25
FASTBLANK
SHT.25
PWR-CTL
SHT.23
PWR-CTL
WF
12
WF
10
103-279-36A
33V
4.7K
SHT.25
SCL
SHT.25
SDA
SHT.23
PWRCONT
COMP-VIDEO
SHT.25
SHT.23
SDA
AFC
SHT.25
VERT-DRIVE
SHT.25
FLYBACK
SHT.25
+5V
SBF
E
B
C
E
B
C
WF
4
50V
47pF
470K
1uH
50V
PROV
SBF
+5V
1uH
50V47pF
4.7K
1K
1K
1K
1K
4.7K
220
4.7K4.7K4.7K
220
4.7uH
220
4.7K
220
10K
220
SHT.25
CRT-PROTECTOR
27K
25V
0.01
1M
1M
50V47pF
0.1
50V
JUMPER
15K
1K
50V
220pF
2.2K
10K
220
47K
50V47pF
50V
47pF
50V
180pF
SHT.25
Y/C-SENSE
47K
10K
50V
1000pF
180
10K
50V47pF
50V
47pF
150
25V
0.01
SBF
+5V
25V
0.01
4.7K
5
1
2
3
4
1K
50V47pF
SHT.25
VRAMP
SHT.25
AUXSWITCH1
50V
6800pF
25V
0.01
25V
0.01
50V
47pF
50V
47pF
50V
47pF
50V
47pF
25V
0.01
50V
180pF
50V
1000pF
SHT.25
HORZ-SIZE
750K
50V
27pF
50V
27pF
50V
20pF
50V
20pF
PROV
50V
1000pF
50V
220pF
50V
470pF
50V
120pF
SBF
+5V
25V
0.01
220
4.7K
0.1
50V
20-4129-16
4.7uH
SBF
+5V
+33V
SW
+5V
SW
+9V
SHT.25
COMP-AUD
SHT.23
COMP-AUD
+5V
SBF
+5V
SBF
+5V
SBF
+5V
SBF
SHT.23
SCL
+5V
SBF
+5V
SBF
50V
47pF
+5V
SBF
+5V
SBF
SB
+5V
27
28
29
30
31
32
33
34
35
36
37
38
26
25
24
23
22
21
20
19
18
17
16
15
39
40
41
42
43
44
45
46
47
48
49
50
51
52
14
13
12
11
10
9
8
7
6
5
4
3
2
1
126-3446-2(SHIELD)
221-1305-01
R
G
B
FB
VERT-SIZE
HORZ-SIZE
N/C
N/C
N/C
N/C
AUX_SW1
N/C
N/C
SCL1
SCL2
SDA1
SDA2
IDENT
N/C
N/C
POWER
CHASSIS_ID
RESET
OSC-OUT
OSC-IN
VccVSS
XOUT
XIN
CNVSS
CVIN
VHOLD
RVCO
HLF
AVcc
N/C
N/C
REMOTE
MUTE
CRT-PROT
N/C
N/C
Y/C-SENSE
N/C
A/D_KEY1
A/D_KEY2
SYNC
N/C
N/C
AFC
VSYNC
HSYNC
WF
5
WF
1-A
WF
2
WF
1
50V47pF
1uF
50V
220uF
16V
50V
4.7uF
10K
50V
470pF
50V47pF
50V47pF
50V47pF
50V47pF
50V47pF
50V47pF
SHT.25
VERT-SIZE
50V47pF
50V47pF
4.7K
50V
47pF
50V47pF
50V
47pF
1uH
39K
1.8uH
50V
470pF
WF
3
1.5K
0 Ohm
.1w
50V47pF
SYNC
SHT.25
SHT.23
MUTE
8.2K
2K
SHT.25
VM-OUT-L
SHT.25
EXT-R
4.7K
SHT.25
VM-OUT-R
PROV
PROV
TP6005
CX6027
TP6006
TP6010
TP6004
175-2721
TU6000
58-526-05
4G9
221-745-04
IC6001
KIA7042
221-1177A
IC6002
R6070M
CRY6001
C6032
C6030
C6028
C6020
20-3907-24A
L6000
C6016
C6060M
ZD6001
R6005M
121-1310A
Q6001
121-1310A
Q6002
C6058M
R6069M
20-4129-08
L6004
C6035
20-4129-08
L6005
C6041M
R6095
R6094M
R6099M
R6098M
R6093
R6097
R6049M
R6048MR6047MR6046M
R6044M
L6007
20-4129-16
R6042M
R6045M
R6041M
R6072M
R6039M
R6037M
C6056M
R6035MR6034M
C6094M
C6009
R6015
R6033M
R6032M
R6031M
C6037
R6027
R6092M
R6050
R6012M
C6091M
C6096
C6040M
R6004M
R6003M
C6036M
R6002M
R6008M
C6092M
C6079M
R6006M
C6043M C6042M
R6091M
1K
1K
R6016
58-526-05
2K6
R6090M
C6090M
C6031M
C6029M
C6026M
C6033MC6025MC6024MC6023M
C6021M
C6019M
C6018M
R6080M
C6015MC6014M
C6010M
C6011M
C6008M
C6007M
C6005M
C6003M
C6001M
C6012M
R6043M
R6001M
C6017
L6001
C6038M
IC6000
C6051M
D6002
103-461A
C6006
C6013
C6098
R6026
C6046M
C6047M
C6048M
C6049M
C6050M
C6052M
C6053M
C6054M
C6055M
R6096
C6095M
C6059M
C6061M
L6003
20-4129-8
R6058M
L6002
20-4277-70A
C6045M
R6053M
R6030
C6093M
R6059M
R6061M
R6013
R6010M
R6007M
D6001
103-461A
Vertical
10 uS
3.60V
WF12
M ODULE
009-01996 009-01997 009-01997-01 009-01998 009-02041
FEAT URES MTS STEREO MTS STEREO MTS STEREO MTS STEREO MTS STEREO
COMPONENT LEVEL
REPA IR ONLY